ChemInform Abstract: PEG-Mediated Catalyst-Free Synthesis of Hantzsch 1,4-Dihydropyridines and Polyhydroquinoline Derivatives.
β Scribed by V. Siddaiah; G. Mahaboob Basha; G. Padma Rao; U. Viplava Prasad; R. Suryachendra Rao
- Book ID
- 112047510
- Publisher
- John Wiley and Sons
- Year
- 2012
- Weight
- 29 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0931-7597
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## Abstract The use of Lβproline as catalyst in symmetrical and unsymmetrical Hantzsch 1,4βDHP synthesis is studied.
Manganese Triacetate Mediated Oxidation of Hantzsch 1,4-Dihydropyridines to Pyridines. -Alkyl, aryl, styryl, and heterocyclic substituents at the 4-position are tolerated in the practical and general method presented (11 examples). Reactions in several other solvents are very slow. A mechanism is d